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There are quite a lot of Subnautica Biomes. All of the Biomes have their very own ecosystem, which makes them quite different than one another, and thus this means that people can get quite lost when going into the different Biomes and exploring all of the different Flora and Fauna that are present within the Biomes.

This Subnautica Guide is your go-to place for when you are trying to figure out how you can go into the Biomes with a plan laid out on which places you need to visit and what you need to do in order to make your trip worth it.

You can also acquire items acquired from these Subnautica Biomes by using PC Console Commands found at the link.

Subnautica Biomes

There are a lot of different Biomes that are available within the game. Some of them are found on the Surface, others are found in Caves and Islands.

This Subnautica Biomes Guide will go through all of them one by one. We will tell you the depth range of the Biomes, after which we will mention all of the harvesting nodes where you can find some of the precious items that you may need.

Lastly, we will mention some other points of interests which you should visit when in the Biomes, as they will provide you with some interesting information and materials to find. You can also check out our Raw Materials Farming Locations Guide.

Surface Biomes

These Biomes are all found on the Surfaces. Let’s take a look at them and figure out how you can make the most of your time in them.

Biome

Depth

Harvesting Nodes

Places to Visit

Blood Kelp Zone

150 – 675 Meters (Trench)

Shale Outcrop

Large Wreck (1) (Trench)

Destroyed Lifepod (1) (Northern)

Blood Kelp Sanctuary (Northern)

Bulb Zone Biome

140 – 480 Meters

Sandstone Outcrop

Shale Outcrop

Large Wreck (2)

Destroyed Lifepod (1)

Lava Geysers (3)

Bulb Zone Arch Cache (1)

Crag Field Biome

125 – 460 Meters

Shale Outcrop

Limestone Outcrop

Crag Field Arch Cache (1)

Destroyed Lifepod

CrashZone

0 – 370 Meters

Limestone Outcrop

Sandstone Outcrop

Shale Outcrop

Aurora

Destroyed Lifepod (1)

Dead Zone

0 – 3000 Meters

None

None

Dunes Biome

65 – 400 Meters

Limestone Outcrop

Sandstone Outcrop

Large Wreck (1)

Meteor Crater

Giant Sinkhole

Dunes Sanctuary (1)

Alien Vent Entrance Point

Grand Reef Biome

150 – 480 Meters

Shale Outcrop

Large Wrecks (2)

Thermal Vents (5)

Alien Vent Entrance Point

Grassy Plateaus Biome

50 – 170 Meters

Limestone Outcrop

Sandstone Outcrop

Large Wrecks (5)

Small Wrecks (6)

Destroyed Lifepods (2)

Kelp Forest Biome

0 – 160 Meters

Limestone Outcrop

Sandstone Outcrop

Large Wrecks (4)

Destroyed Lifepod (1)

Mountains Biome

0 – 500 Meters

Sandstone Outcrop

Shale Outcrop

Large Wreck (1)

Thermal Vents (10)

Alien Arch Platform (1)

Alien Vent Entrance Point

Mushroom Forest

75 – 250 Meters (Northwestern)

125 – 200 Meters (Northeastern)

Limestone Outcrop

Purple Pinecone

Sandstone Outcrop

Shale Outcrop

Large Wreck (1)

Destroyed Lifepod (1)

Mushroom Forest Arch Cache (Northwestern)

Alien Vent Entrance Point (Northeastern)

Safe Shallows

0 – 80 Meters

Limestone Outcrop

Sandstone Outcrop

Large Wrecks (2)

Small Wrecks (7)

Lava Geysers (2)

Destroyed Lifepod (1)

Sea Treader’s Path

170 – 360 Meters

Shale Outcrop

Large Wreck (1)

Sparse Reef Biome

40 – 310 Meters

Limestone Outcrop

Alien Vent Entrance Point

Underwater Islands

35 – 500 Meters

Shale Outcrop

Limestone Outcrop

Large Wreck (1)

Lava Geysers (8)

Alien Vent Entrance Point

Island Biomes

There are only a total of two Island Biomes in Subnautica. Let’s go ahead and take a look at them both.

Biome

Depth

Harvesting Nodes

Places to Visit

Floating Island

Above sea level

–

Degasi Seabases (3)

Floating Island Arch Cache (1)

Mountain Island

Above sea level

Shale Outcrop

Sandstone Outcrop

Quarantine Enforcement Platform

Mountain Island Arch Cache (1)

Cave Biomes

Subnautica has its fair share of Cave Biomes and there are a lot of different interesting things in them, so let us tell you where to go to find those things.

Biome

Depth

Harvesting Nodes

Places to Visit

Blood Kelp Caves

285 – 675 Meters

Shale Outcrop

–

Bone Fields Caves

610 – 710 Meters

–

–

Bulb Zone Caves

220 – 315 Meters

Shale Outcrop

Lava Geyser (1)

Deep Grand Reef

425 – 630 Meters

Purple Pinecone

Shale Outcrop

Degasi Seabase (1)

Deep Sparse Reef

210 – 290 Meters

Limestone Outcrop

Sparse Reef Sanctuary

Destroyed Lifepod (1)

Dunes Caves

400 – 420 Meters

Sandstone Outcrop

–

Grand Reef Caves

120 – 410 Meters

Limestone Outcrop

–

Grassy Plateaus Caves

120 – 175 Meters

Limestone Outcrop

Sandstone Outcrop

Shale Outcrop

–

Inactive Lava Zone

900 – 1300 Meters

None

Lava Castle

Alien Thermal Plant

Jellyshroom Cave

180 – 300 Meters

Sandstone Outcrop

Shale Outcrop

Degasi Seabase (1)

Kelp Forest Caves

90 – 170 Meters

Limestone Outcrop

Sandstone Outcrop

–

Lava Lakes

1300 – 1700 Meters

None

Primary Containment Facility

Lost River

550 – 1000 Meters

None

Disease Research Facility

Gargantuan Fossil

Lost River Laboratory (1)

Ghost Forest Arch Cache (1)

Mountain Range Caves

0 – 380 Meters

Shale Outcrop

Thermal Vents (?)

Mushroom Forest Caves

170 – 250 Meters

Shale Outcrop

–

Safe Shallows Caves

10 – 75 Meters

Limestone Outcrop

Sandstone Outcrop

–

Sea Treader’s Tunnel Caves

200 – 340 Meters

Shale Outcrop

–

Underwater Islands Caves

205 – 255 Meters

Shale Outcrop

Limestone Outcrop

–

Mini Biomes

These are some other Biomes found in the world of Subnautica. Go ahead and take a look.

Biome

Depth

Harvesting Nodes

Places to Visit

Crash Zone Mesas

150 – 330 Meters

Sandstone Outcrop

Limestone Outcrop

–

Lava Geyser

60 – 560 Meters

Shale Outcrop

Sandstone Outcrop

Limestone Outcrop

–

Lava Castle

1100 – 1300 Meters

None

Alien Thermal Plant

Inactive Lava Zone Corridor

800 – 1200 Meters

None

–

That is all we have for our Subnautica Biomes Guide. Let us know if we missed something using the comments section below!